Estimating Square Roots (3B)

Front

What is the square root of a number?

Back

The square root of a number is a value that, when multiplied by itself, gives the original number.

Front

How do you estimate the square root of a number?

Back

To estimate the square root, find two perfect squares between which the number lies and then approximate.

Front

What is the square root of 28 rounded to the nearest hundredth?

Back

5.3

Front

In between what two integers is the square root of 77?

Back

8 and 9

Front

What is the square root of 119 rounded to the nearest hundredth?

Back

10.9

Front

What is the square root of 13 rounded to the nearest hundredth?

Back

3.6

Front

In between what two integers is the square root of 44?

Back

6 and 7

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the product of an integer with itself.

Front

What is the approximate value of √50?

Back

Approximately 7.1, since it lies between 7 (49) and 8 (64).

Front

How can you check if your square root estimation is correct?

Back

Square your estimated value and see if it is close to the original number.